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5
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1 /*
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2 * SpanDSP - a series of DSP components for telephony
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3 *
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4 * v8_tests.c
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5 *
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6 * Written by Steve Underwood <steveu@coppice.org>
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7 *
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8 * Copyright (C) 2004 Steve Underwood
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9 *
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10 * All rights reserved.
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11 *
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12 * This program is free software; you can redistribute it and/or modify
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13 * it under the terms of the GNU General Public License version 2, as
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14 * published by the Free Software Foundation.
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15 *
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16 * This program is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 * GNU General Public License for more details.
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20 *
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21 * You should have received a copy of the GNU General Public License
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22 * along with this program; if not, write to the Free Software
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 *
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25 * $Id: v8_tests.c,v 1.19 2006/11/23 15:48:09 steveu Exp $
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26 */
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27
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28 /*! \page v8_tests_page V.8 tests
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29 \section v8_tests_page_sec_1 What does it do?
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30 */
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31
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32 #ifdef HAVE_CONFIG_H
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33 #include "config.h"
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34 #endif
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35
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36 #include <stdlib.h>
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37 #include <inttypes.h>
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38 #include <stdio.h>
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39 #if defined(HAVE_TGMATH_H)
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40 #include <tgmath.h>
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41 #endif
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42 #if defined(HAVE_MATH_H)
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43 #include <math.h>
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44 #endif
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45 #include <fcntl.h>
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46 #include <string.h>
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47 #include <audiofile.h>
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48 #include <tiffio.h>
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49
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50 #include "spandsp.h"
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51
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52 #define FALSE 0
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53 #define TRUE (!FALSE)
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54
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55 #define SAMPLES_PER_CHUNK 160
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56
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57 #define OUTPUT_FILE_NAME "v8.wav"
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58
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59 int negotiations_ok = 0;
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60
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61 static void handler(void *user_data, v8_result_t *result)
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62 {
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63 const char *s;
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64
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65 s = (const char *) user_data;
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66
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67 if (result == NULL)
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68 {
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69 printf("%s V.8 negotiation failed\n", s);
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70 return;
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71 }
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72 printf("%s V.8 negotiation result:\n", s);
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73 printf(" Call function '%s'\n", v8_call_function_to_str(result->call_function));
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74 printf(" Negotiated modulation '%s'\n", v8_modulation_to_str(result->negotiated_modulation));
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75 printf(" Protocol '%s'\n", v8_protocol_to_str(result->protocol));
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76 printf(" PSTN access '%s'\n", v8_pstn_access_to_str(result->pstn_access));
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77 printf(" PCM modem availability '%s'\n", v8_pcm_modem_availability_to_str(result->pcm_modem_availability));
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78 if (result->call_function == V8_CALL_V_SERIES
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79 &&
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80 result->negotiated_modulation == V8_MOD_V90
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81 &&
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82 result->protocol == V8_PROTOCOL_LAPM_V42)
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83 {
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84 negotiations_ok++;
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85 }
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86 }
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87
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88 int main(int argc, char *argv[])
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89 {
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90 int i;
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91 int16_t amp[SAMPLES_PER_CHUNK];
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92 int16_t out_amp[2*SAMPLES_PER_CHUNK];
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93 v8_state_t v8_caller;
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94 v8_state_t v8_answerer;
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95 int outframes;
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96 int samples;
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97 int remnant;
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98 int caller_available_modulations;
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99 int answerer_available_modulations;
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100 AFfilehandle outhandle;
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101 AFfilesetup filesetup;
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102
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103 if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
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104 {
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105 fprintf(stderr, " Failed to create file setup\n");
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106 exit(2);
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107 }
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108 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
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109 afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
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110 afInitFileFormat(filesetup, AF_FILE_WAVE);
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111 afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
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112 if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
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113 {
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114 fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME);
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115 exit(2);
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116 }
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117
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118 caller_available_modulations = V8_MOD_V17
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119 | V8_MOD_V21
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120 | V8_MOD_V22
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121 | V8_MOD_V23HALF
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122 | V8_MOD_V23
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123 | V8_MOD_V26BIS
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124 | V8_MOD_V26TER
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125 | V8_MOD_V27TER
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126 | V8_MOD_V29
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127 | V8_MOD_V32
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128 | V8_MOD_V34HALF
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129 | V8_MOD_V34
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130 | V8_MOD_V90
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131 | V8_MOD_V92;
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132 answerer_available_modulations = V8_MOD_V17
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133 | V8_MOD_V21
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134 | V8_MOD_V22
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135 | V8_MOD_V23HALF
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136 | V8_MOD_V23
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137 | V8_MOD_V26BIS
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138 | V8_MOD_V26TER
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139 | V8_MOD_V27TER
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140 | V8_MOD_V29
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141 | V8_MOD_V32
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142 | V8_MOD_V34HALF
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143 | V8_MOD_V34
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144 | V8_MOD_V90
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145 | V8_MOD_V92;
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146
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147 v8_init(&v8_caller, TRUE, caller_available_modulations, handler, (void *) "caller");
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148 v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer");
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149 span_log_set_level(&v8_caller.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
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150 span_log_set_tag(&v8_caller.logging, "caller");
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151 span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
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152 span_log_set_tag(&v8_answerer.logging, "answerer");
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153 for (i = 0; i < 1000; i++)
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154 {
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155 samples = v8_tx(&v8_caller, amp, SAMPLES_PER_CHUNK);
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156 if (samples < SAMPLES_PER_CHUNK)
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157 {
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158 memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
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159 samples = SAMPLES_PER_CHUNK;
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160 }
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161 remnant = v8_rx(&v8_answerer, amp, samples);
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162 for (i = 0; i < samples; i++)
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163 out_amp[2*i] = amp[i];
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164
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165 samples = v8_tx(&v8_answerer, amp, SAMPLES_PER_CHUNK);
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166 if (samples < SAMPLES_PER_CHUNK)
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167 {
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168 memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
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169 samples = SAMPLES_PER_CHUNK;
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170 }
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171 if (v8_rx(&v8_caller, amp, samples) && remnant)
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172 break;
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173 for (i = 0; i < samples; i++)
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174 out_amp[2*i + 1] = amp[i];
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175
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176 outframes = afWriteFrames(outhandle,
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177 AF_DEFAULT_TRACK,
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178 out_amp,
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179 samples);
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180 if (outframes != samples)
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181 {
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182 fprintf(stderr, " Error writing wave file\n");
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183 exit(2);
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184 }
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185 }
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186 if (afCloseFile(outhandle))
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187 {
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188 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
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189 exit(2);
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190 }
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191 afFreeFileSetup(filesetup);
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192
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193 v8_release(&v8_caller);
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194 v8_release(&v8_answerer);
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195
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196 if (negotiations_ok != 2)
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197 {
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198 printf("Tests failed.\n");
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199 exit(2);
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200 }
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201
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202 printf("Tests passed.\n");
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203 return 0;
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204 }
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205 /*- End of function --------------------------------------------------------*/
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206 /*- End of file ------------------------------------------------------------*/
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